release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/scsi/mpt2sas/mpi/mpi2_raid.h

   1 /*
   2  *  Copyright (c) 2000-2008 LSI Corporation.
   3  *
   4  *
   5  *           Name:  mpi2_raid.h
   6  *          Title:  MPI Integrated RAID messages and structures
   7  *  Creation Date:  April 26, 2007
   8  *
   9  *    mpi2_raid.h Version:  02.00.04
  10  *
  11  *  Version History
  12  *  ---------------
  13  *
  14  *  Date      Version   Description
  15  *  --------  --------  ------------------------------------------------------
  16  *  04-30-07  02.00.00  Corresponds to Fusion-MPT MPI Specification Rev A.
  17  *  08-31-07  02.00.01  Modifications to RAID Action request and reply,
  18  *                      including the Actions and ActionData.
  19  *  02-29-08  02.00.02  Added MPI2_RAID_ACTION_ADATA_DISABL_FULL_REBUILD.
  20  *  05-21-08  02.00.03  Added MPI2_RAID_VOL_CREATION_NUM_PHYSDISKS so that
  21  *                      the PhysDisk array in MPI2_RAID_VOLUME_CREATION_STRUCT
  22  *                      can be sized by the build environment.
  23  *  07-30-09  02.00.04  Added proper define for the Use Default Settings bit of
  24  *                      VolumeCreationFlags and marked the old one as obsolete.
  25  *  --------------------------------------------------------------------------
  26  */
  27
  28 #ifndef MPI2_RAID_H
  29 #define MPI2_RAID_H
  30
  31 /*****************************************************************************
  32 *
  33 *               Integrated RAID Messages
  34 *
  35 *****************************************************************************/
  36
  37 /****************************************************************************
  38 *  RAID Action messages
  39 ****************************************************************************/
  40
  41 /* ActionDataWord defines for use with MPI2_RAID_ACTION_DELETE_VOLUME action */
  42 #define MPI2_RAID_ACTION_ADATA_KEEP_LBA0            (0x00000000)
  43 #define MPI2_RAID_ACTION_ADATA_ZERO_LBA0            (0x00000001)
  44
  45 /* use MPI2_RAIDVOL0_SETTING_ defines from mpi2_cnfg.h for MPI2_RAID_ACTION_CHANGE_VOL_WRITE_CACHE action */
  46
  47 /* ActionDataWord defines for use with MPI2_RAID_ACTION_DISABLE_ALL_VOLUMES action */
  48 #define MPI2_RAID_ACTION_ADATA_DISABL_FULL_REBUILD  (0x00000001)
  49
  50 /* ActionDataWord for MPI2_RAID_ACTION_SET_RAID_FUNCTION_RATE Action */
  51 typedef struct _MPI2_RAID_ACTION_RATE_DATA
  52 {
  53     U8              RateToChange;               /* 0x00 */
  54     U8              RateOrMode;                 /* 0x01 */
  55     U16             DataScrubDuration;          /* 0x02 */
  56 } MPI2_RAID_ACTION_RATE_DATA, MPI2_POINTER PTR_MPI2_RAID_ACTION_RATE_DATA,
  57   Mpi2RaidActionRateData_t, MPI2_POINTER pMpi2RaidActionRateData_t;
  58
  59 #define MPI2_RAID_ACTION_SET_RATE_RESYNC            (0x00)
  60 #define MPI2_RAID_ACTION_SET_RATE_DATA_SCRUB        (0x01)
  61 #define MPI2_RAID_ACTION_SET_RATE_POWERSAVE_MODE    (0x02)
  62
  63 /* ActionDataWord for MPI2_RAID_ACTION_START_RAID_FUNCTION Action */
  64 typedef struct _MPI2_RAID_ACTION_START_RAID_FUNCTION
  65 {
  66     U8              RAIDFunction;                       /* 0x00 */
  67     U8              Flags;                              /* 0x01 */
  68     U16             Reserved1;                          /* 0x02 */
  69 } MPI2_RAID_ACTION_START_RAID_FUNCTION,
  70   MPI2_POINTER PTR_MPI2_RAID_ACTION_START_RAID_FUNCTION,
  71   Mpi2RaidActionStartRaidFunction_t,
  72   MPI2_POINTER pMpi2RaidActionStartRaidFunction_t;
  73
  74 /* defines for the RAIDFunction field */
  75 #define MPI2_RAID_ACTION_START_BACKGROUND_INIT      (0x00)
  76 #define MPI2_RAID_ACTION_START_ONLINE_CAP_EXPANSION (0x01)
  77 #define MPI2_RAID_ACTION_START_CONSISTENCY_CHECK    (0x02)
  78
  79 /* defines for the Flags field */
  80 #define MPI2_RAID_ACTION_START_NEW                  (0x00)
  81 #define MPI2_RAID_ACTION_START_RESUME               (0x01)
  82
  83 /* ActionDataWord for MPI2_RAID_ACTION_STOP_RAID_FUNCTION Action */
  84 typedef struct _MPI2_RAID_ACTION_STOP_RAID_FUNCTION
  85 {
  86     U8              RAIDFunction;                       /* 0x00 */
  87     U8              Flags;                              /* 0x01 */
  88     U16             Reserved1;                          /* 0x02 */
  89 } MPI2_RAID_ACTION_STOP_RAID_FUNCTION,
  90   MPI2_POINTER PTR_MPI2_RAID_ACTION_STOP_RAID_FUNCTION,
  91   Mpi2RaidActionStopRaidFunction_t,
  92   MPI2_POINTER pMpi2RaidActionStopRaidFunction_t;
  93
  94 /* defines for the RAIDFunction field */
  95 #define MPI2_RAID_ACTION_STOP_BACKGROUND_INIT       (0x00)
  96 #define MPI2_RAID_ACTION_STOP_ONLINE_CAP_EXPANSION  (0x01)
  97 #define MPI2_RAID_ACTION_STOP_CONSISTENCY_CHECK     (0x02)
  98
  99 /* defines for the Flags field */
 100 #define MPI2_RAID_ACTION_STOP_ABORT                 (0x00)
 101 #define MPI2_RAID_ACTION_STOP_PAUSE                 (0x01)
 102
 103 /* ActionDataWord for MPI2_RAID_ACTION_CREATE_HOT_SPARE Action */
 104 typedef struct _MPI2_RAID_ACTION_HOT_SPARE
 105 {
 106     U8              HotSparePool;               /* 0x00 */
 107     U8              Reserved1;                  /* 0x01 */
 108     U16             DevHandle;                  /* 0x02 */
 109 } MPI2_RAID_ACTION_HOT_SPARE, MPI2_POINTER PTR_MPI2_RAID_ACTION_HOT_SPARE,
 110   Mpi2RaidActionHotSpare_t, MPI2_POINTER pMpi2RaidActionHotSpare_t;
 111
 112 /* ActionDataWord for MPI2_RAID_ACTION_DEVICE_FW_UPDATE_MODE Action */
 113 typedef struct _MPI2_RAID_ACTION_FW_UPDATE_MODE
 114 {
 115     U8              Flags;                              /* 0x00 */
 116     U8              DeviceFirmwareUpdateModeTimeout;    /* 0x01 */
 117     U16             Reserved1;                          /* 0x02 */
 118 } MPI2_RAID_ACTION_FW_UPDATE_MODE,
 119   MPI2_POINTER PTR_MPI2_RAID_ACTION_FW_UPDATE_MODE,
 120   Mpi2RaidActionFwUpdateMode_t, MPI2_POINTER pMpi2RaidActionFwUpdateMode_t;
 121
 122 /* ActionDataWord defines for use with MPI2_RAID_ACTION_DEVICE_FW_UPDATE_MODE action */
 123 #define MPI2_RAID_ACTION_ADATA_DISABLE_FW_UPDATE        (0x00)
 124 #define MPI2_RAID_ACTION_ADATA_ENABLE_FW_UPDATE         (0x01)
 125
 126 typedef union _MPI2_RAID_ACTION_DATA
 127 {
 128     U32                                     Word;
 129     MPI2_RAID_ACTION_RATE_DATA              Rates;
 130     MPI2_RAID_ACTION_START_RAID_FUNCTION    StartRaidFunction;
 131     MPI2_RAID_ACTION_STOP_RAID_FUNCTION     StopRaidFunction;
 132     MPI2_RAID_ACTION_HOT_SPARE              HotSpare;
 133     MPI2_RAID_ACTION_FW_UPDATE_MODE         FwUpdateMode;
 134 } MPI2_RAID_ACTION_DATA, MPI2_POINTER PTR_MPI2_RAID_ACTION_DATA,
 135   Mpi2RaidActionData_t, MPI2_POINTER pMpi2RaidActionData_t;
 136
 137
 138 /* RAID Action Request Message */
 139 typedef struct _MPI2_RAID_ACTION_REQUEST
 140 {
 141     U8                      Action;                         /* 0x00 */
 142     U8                      Reserved1;                      /* 0x01 */
 143     U8                      ChainOffset;                    /* 0x02 */
 144     U8                      Function;                       /* 0x03 */
 145     U16                     VolDevHandle;                   /* 0x04 */
 146     U8                      PhysDiskNum;                    /* 0x06 */
 147     U8                      MsgFlags;                       /* 0x07 */
 148     U8                      VP_ID;                          /* 0x08 */
 149     U8                      VF_ID;                          /* 0x09 */
 150     U16                     Reserved2;                      /* 0x0A */
 151     U32                     Reserved3;                      /* 0x0C */
 152     MPI2_RAID_ACTION_DATA   ActionDataWord;                 /* 0x10 */
 153     MPI2_SGE_SIMPLE_UNION   ActionDataSGE;                  /* 0x14 */
 154 } MPI2_RAID_ACTION_REQUEST, MPI2_POINTER PTR_MPI2_RAID_ACTION_REQUEST,
 155   Mpi2RaidActionRequest_t, MPI2_POINTER pMpi2RaidActionRequest_t;
 156
 157 /* RAID Action request Action values */
 158
 159 #define MPI2_RAID_ACTION_INDICATOR_STRUCT           (0x01)
 160 #define MPI2_RAID_ACTION_CREATE_VOLUME              (0x02)
 161 #define MPI2_RAID_ACTION_DELETE_VOLUME              (0x03)
 162 #define MPI2_RAID_ACTION_DISABLE_ALL_VOLUMES        (0x04)
 163 #define MPI2_RAID_ACTION_ENABLE_ALL_VOLUMES         (0x05)
 164 #define MPI2_RAID_ACTION_PHYSDISK_OFFLINE           (0x0A)
 165 #define MPI2_RAID_ACTION_PHYSDISK_ONLINE            (0x0B)
 166 #define MPI2_RAID_ACTION_FAIL_PHYSDISK              (0x0F)
 167 #define MPI2_RAID_ACTION_ACTIVATE_VOLUME            (0x11)
 168 #define MPI2_RAID_ACTION_DEVICE_FW_UPDATE_MODE      (0x15)
 169 #define MPI2_RAID_ACTION_CHANGE_VOL_WRITE_CACHE     (0x17)
 170 #define MPI2_RAID_ACTION_SET_VOLUME_NAME            (0x18)
 171 #define MPI2_RAID_ACTION_SET_RAID_FUNCTION_RATE     (0x19)
 172 #define MPI2_RAID_ACTION_ENABLE_FAILED_VOLUME       (0x1C)
 173 #define MPI2_RAID_ACTION_CREATE_HOT_SPARE           (0x1D)
 174 #define MPI2_RAID_ACTION_DELETE_HOT_SPARE           (0x1E)
 175 #define MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED  (0x20)
 176 #define MPI2_RAID_ACTION_START_RAID_FUNCTION        (0x21)
 177 #define MPI2_RAID_ACTION_STOP_RAID_FUNCTION         (0x22)
 178
 179
 180 /* RAID Volume Creation Structure */
 181
 182 /*
 183  * The following define can be customized for the targeted product.
 184  */
 185 #ifndef MPI2_RAID_VOL_CREATION_NUM_PHYSDISKS
 186 #define MPI2_RAID_VOL_CREATION_NUM_PHYSDISKS        (1)
 187 #endif
 188
 189 typedef struct _MPI2_RAID_VOLUME_PHYSDISK
 190 {
 191     U8                      RAIDSetNum;                     /* 0x00 */
 192     U8                      PhysDiskMap;                    /* 0x01 */
 193     U16                     PhysDiskDevHandle;              /* 0x02 */
 194 } MPI2_RAID_VOLUME_PHYSDISK, MPI2_POINTER PTR_MPI2_RAID_VOLUME_PHYSDISK,
 195   Mpi2RaidVolumePhysDisk_t, MPI2_POINTER pMpi2RaidVolumePhysDisk_t;
 196
 197 /* defines for the PhysDiskMap field */
 198 #define MPI2_RAIDACTION_PHYSDISK_PRIMARY            (0x01)
 199 #define MPI2_RAIDACTION_PHYSDISK_SECONDARY          (0x02)
 200
 201 typedef struct _MPI2_RAID_VOLUME_CREATION_STRUCT
 202 {
 203     U8                          NumPhysDisks;               /* 0x00 */
 204     U8                          VolumeType;                 /* 0x01 */
 205     U16                         Reserved1;                  /* 0x02 */
 206     U32                         VolumeCreationFlags;        /* 0x04 */
 207     U32                         VolumeSettings;             /* 0x08 */
 208     U8                          Reserved2;                  /* 0x0C */
 209     U8                          ResyncRate;                 /* 0x0D */
 210     U16                         DataScrubDuration;          /* 0x0E */
 211     U64                         VolumeMaxLBA;               /* 0x10 */
 212     U32                         StripeSize;                 /* 0x18 */
 213     U8                          Name[16];                   /* 0x1C */
 214     MPI2_RAID_VOLUME_PHYSDISK   PhysDisk[MPI2_RAID_VOL_CREATION_NUM_PHYSDISKS];/* 0x2C */
 215 } MPI2_RAID_VOLUME_CREATION_STRUCT,
 216   MPI2_POINTER PTR_MPI2_RAID_VOLUME_CREATION_STRUCT,
 217   Mpi2RaidVolumeCreationStruct_t, MPI2_POINTER pMpi2RaidVolumeCreationStruct_t;
 218
 219 /* use MPI2_RAID_VOL_TYPE_ defines from mpi2_cnfg.h for VolumeType */
 220
 221 /* defines for the VolumeCreationFlags field */
 222 #define MPI2_RAID_VOL_CREATION_DEFAULT_SETTINGS     (0x80000000)
 223 #define MPI2_RAID_VOL_CREATION_BACKGROUND_INIT      (0x00000004)
 224 #define MPI2_RAID_VOL_CREATION_LOW_LEVEL_INIT       (0x00000002)
 225 #define MPI2_RAID_VOL_CREATION_MIGRATE_DATA         (0x00000001)
 226 /* The following is an obsolete define.
 227  * It must be shifted left 24 bits in order to set the proper bit.
 228  */
 229 #define MPI2_RAID_VOL_CREATION_USE_DEFAULT_SETTINGS (0x80)
 230
 231
 232 /* RAID Online Capacity Expansion Structure */
 233
 234 typedef struct _MPI2_RAID_ONLINE_CAPACITY_EXPANSION
 235 {
 236     U32                     Flags;                          /* 0x00 */
 237     U16                     DevHandle0;                     /* 0x04 */
 238     U16                     Reserved1;                      /* 0x06 */
 239     U16                     DevHandle1;                     /* 0x08 */
 240     U16                     Reserved2;                      /* 0x0A */
 241 } MPI2_RAID_ONLINE_CAPACITY_EXPANSION,
 242   MPI2_POINTER PTR_MPI2_RAID_ONLINE_CAPACITY_EXPANSION,
 243   Mpi2RaidOnlineCapacityExpansion_t,
 244   MPI2_POINTER pMpi2RaidOnlineCapacityExpansion_t;
 245
 246
 247 /* RAID Volume Indicator Structure */
 248
 249 typedef struct _MPI2_RAID_VOL_INDICATOR
 250 {
 251     U64                     TotalBlocks;                    /* 0x00 */
 252     U64                     BlocksRemaining;                /* 0x08 */
 253     U32                     Flags;                          /* 0x10 */
 254 } MPI2_RAID_VOL_INDICATOR, MPI2_POINTER PTR_MPI2_RAID_VOL_INDICATOR,
 255   Mpi2RaidVolIndicator_t, MPI2_POINTER pMpi2RaidVolIndicator_t;
 256
 257 /* defines for RAID Volume Indicator Flags field */
 258 #define MPI2_RAID_VOL_FLAGS_OP_MASK                 (0x0000000F)
 259 #define MPI2_RAID_VOL_FLAGS_OP_BACKGROUND_INIT      (0x00000000)
 260 #define MPI2_RAID_VOL_FLAGS_OP_ONLINE_CAP_EXPANSION (0x00000001)
 261 #define MPI2_RAID_VOL_FLAGS_OP_CONSISTENCY_CHECK    (0x00000002)
 262 #define MPI2_RAID_VOL_FLAGS_OP_RESYNC               (0x00000003)
 263
 264
 265 /* RAID Action Reply ActionData union */
 266 typedef union _MPI2_RAID_ACTION_REPLY_DATA
 267 {
 268     U32                     Word[5];
 269     MPI2_RAID_VOL_INDICATOR RaidVolumeIndicator;
 270     U16                     VolDevHandle;
 271     U8                      VolumeState;
 272     U8                      PhysDiskNum;
 273 } MPI2_RAID_ACTION_REPLY_DATA, MPI2_POINTER PTR_MPI2_RAID_ACTION_REPLY_DATA,
 274   Mpi2RaidActionReplyData_t, MPI2_POINTER pMpi2RaidActionReplyData_t;
 275
 276 /* use MPI2_RAIDVOL0_SETTING_ defines from mpi2_cnfg.h for MPI2_RAID_ACTION_CHANGE_VOL_WRITE_CACHE action */
 277
 278
 279 /* RAID Action Reply Message */
 280 typedef struct _MPI2_RAID_ACTION_REPLY
 281 {
 282     U8                          Action;                     /* 0x00 */
 283     U8                          Reserved1;                  /* 0x01 */
 284     U8                          MsgLength;                  /* 0x02 */
 285     U8                          Function;                   /* 0x03 */
 286     U16                         VolDevHandle;               /* 0x04 */
 287     U8                          PhysDiskNum;                /* 0x06 */
 288     U8                          MsgFlags;                   /* 0x07 */
 289     U8                          VP_ID;                      /* 0x08 */
 290     U8                          VF_ID;                      /* 0x09 */
 291     U16                         Reserved2;                  /* 0x0A */
 292     U16                         Reserved3;                  /* 0x0C */
 293     U16                         IOCStatus;                  /* 0x0E */
 294     U32                         IOCLogInfo;                 /* 0x10 */
 295     MPI2_RAID_ACTION_REPLY_DATA ActionData;                 /* 0x14 */
 296 } MPI2_RAID_ACTION_REPLY, MPI2_POINTER PTR_MPI2_RAID_ACTION_REPLY,
 297   Mpi2RaidActionReply_t, MPI2_POINTER pMpi2RaidActionReply_t;
 298
 299
 300 #endif